Koffman, E. B., & Friedman, F. L. (1990). Problem solving and structured programming in FORTRAN 77 (4th ed.). Addison-Wesley.
Cita Chicago Style (17a ed.)Koffman, Elliot B., y Frank L. Friedman. Problem Solving and Structured Programming in FORTRAN 77. 4th ed. Reading, Mass: Addison-Wesley, 1990.
Cita MLA (9a ed.)Koffman, Elliot B., y Frank L. Friedman. Problem Solving and Structured Programming in FORTRAN 77. 4th ed. Addison-Wesley, 1990.
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